Question

what is the difference btw amplitude and loudness .are they same

Answer 1

The amplitude of a sound wave determines its loudness or volume. A larger amplitude means a louder sound, and a smaller amplitude means a softer sound. In Figure 10.2 sound C is louder than sound B. The vibration of a source sets the amplitude of a wave.

Answer 2

Explanation:

The amplitude of a sound wave determines its loudness or volume. A larger amplitude means a louder sound, and a smaller amplitude means a softer sound. ... The loudness of a sound is also determined by the sensitivity of the ear. The human ear is more sensitive to some frequencies than to others.